US4452988AExpiredUtilityPatentIndex 74

1-Ethenyl-6-(4-phenyl)-3,4,9,9a-tetrahydro-9a-methyl-6H-naptho[2,3-c]pyrazoles

Assignee: STERLING DRUG INCPriority: Dec 6, 1982Filed: Dec 6, 1982Granted: Jun 5, 1984

Est. expiryDec 6, 2002(expired)· nominal 20-yr term from priority

Inventors:BELL MALCOLM R

C07D 231/54C07C 45/68

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Claims

Abstract

Novel compounds, 1-ethenyl-6-(4-R'-phenyl)-3,4,9,9a-tetrahydro-9a-methyl-6H-naphtho[2,3-c]pyrazoles, wherein R' is hydrogen or fluoro, are useful as intermediates in the preparation of anti-inflammatory agents.

Claims

exact text as granted — not AI-modified

I claim: 
     
       1. A compound having the formula ##STR3## wherein R&#39; is hydrogen or fluoro. 
     
     
       2. 1-Ethenyl-6-(4-fluorophenyl)-3,4,9,9a-tetrahydro-9a-methyl-6H-naphtho[2,3-c]pyrazole, according to claim 1. 
     
     
       3. 1-Ethenyl-6-phenyl-3,4,9,9a-tetrahydro-9a-methyl-6H-naphtho[2,3-c]pyrazole, according to claim 1.

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